LT1166_15 datasheet(2/16 Pages) LINER

Part #	LT1166

Description	Power Output Stage Automatic Bias System

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT1166

ABSOLUTE MAXIMUM RATINGS

PACKAGE/ORDER INFORMATION

ORDER PART

NUMBER

Supply Current (Pin 1 or Pin 4) ............................ 75mA

Differential Voltage (Pin 2 to Pin 3) .........................

±6V

Output Short-Circuit Duration (Note 1) ......... Continuous

Specified Temperature Range (Note 2) ........ 0

°C to 70°C

Operating Temperature Range ................ – 40

°C to 85°C

Storage Temperature Range ................. – 65

°C to 150°C

Junction Temperature (Note 3) ............................ 150

°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

S8 PART MARKING

1166

TJMAX = 150°C, θJA = 100°C/ W (N8)

TJMAX = 150°C, θJA = 150°C/ W (S8)

Consult factory for Industrial and Military grade parts.

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Output Offset Voltage

Operating Current 15mA to 50mA

q

50

250

mV

Input Bias Current

Operating Current 15mA to 50mA (Note 4)

q

210

µA

Input Resistance

Operating Current 15mA to 50mA (Note 5)

q

215

M

Ω

VAB (Top)

Measure Pin 8 to Pin 3, No Load

14

20

26

mV

VAB (Bottom)

Measure Pin 5 to Pin 3, No Load

– 14

– 20

– 26

mV

Voltage Compliance

Operating Current = 50mA (Notes 6, 9)

q

±2

±10

V

Current Compliance

Operating Voltage =

±2V

q

±4

±50

mA

Transconductance

(Note 7)

gmCC2

Pin 1 = 2V, Pin 4 = – 2V

q

0.08

0.100

0.13

mho

gmEE2

Pin 1 = 2V, Pin 4 = – 2V

q

0.08

0.100

0.13

mho

gmCC10

Pin 1 = 10V, Pin 4 = – 10V

q

0.09

0.125

0.16

mho

gmEE10

Pin 1 = 10V, Pin 4 = – 10V

q

0.09

0.125

0.16

mho

PSRRCC

(Note 8)

19

dB

PSRREE

(Note 8)

19

dB

Current Limit Voltage

Operating Current 15mA to 50mA

Pin 7 Voltage to Pin 3

q

1.0

1.3

1.5

V

Pin 6 Voltage to Pin 3

q

–1.0

–1.3

–1.5

V

The q denotes specifications which apply over the full operating

temperature range.

Note 1: External power devices may require heat sinking.

Note 2: Commercial grade parts are designed to operate over the

temperature range of – 40

°C to 85°C but are neither tested nor guaranteed

beyond 0

°C to 70°C. Industrial grade parts specified and tested over

–40

°C and 85°C are available on special request, consult factory.

Note 3: TJ calculated from the ambient temperature TA and the power

dissipation PD according to the following formulas:

LT1166CN8: TJ = TA + (PD • 100°C/W)

LT1166CS8: TJ = TA + (PD • 150°C/W)

Note 4: ITOP = IBOTTOM

Note 5: The input resistance is typically 15M

Ω when the loop is closed.

When the loop is open (current limit) the input resistance drops to 200

Ω

referred to Pin 3.

Note 6: Maximum TJ can be exceeded with 50mA operating current and

simultaneous 10V and – 10V (20V total).

Note 7: Apply

±200mV to Pin 2 and measure current change in Pin 1

and 4. Pin 3 is grounded.

Note 8:

Note 9: For Linear Operation, Pin 1 must not be less than 2V or more than

10V from Pin 3. Similarly, Pin 4 must not be less than 2V or more than

10V from Pin 3.

Pin 1 = 2V, Pin 4 = – 2V, Operating current 15mA and RIN = 20k, unless otherwise specified.

1

2

3

4

8

7

6

5

TOP VIEW

VTOP

VIN

VOUT

VBOTTOM

SENSE+

ILIM

+

ILIM

–

SENSE–

N8 PACKAGE

8-LEAD PDIP

S8 PACKAGE

8-LEAD PLASTIC SO

+1

PSRRCC = gmCC2 – gmCC10

gm CC2

PSRREE = gmEE2 – gmEE10

gm EE2

LT1166CN8

LT1166CS8

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